Pork

1 teaspoon smoked paprika
1 teaspoon chili powder
¼ teaspoon salt
⅛ teaspoon cayenne
1 pound pork tenderloin, trimmed of all visible fat
3 teaspoons olive oil, divided
1 small onion, diced
1 garlic clove, minced
1 (8-ounce) can no-salt-added tomato sauce
2 tablespoons apple cider vinegar
1 tablespoon honey

Slaw

2 cups thinly sliced cabbage
1 medium carrot, peeled and coarsely shredded
1 small Gala or other red apple, cored and cut into thin strips
2 teaspoons apple cider vinegar
1½ teaspoons olive oil
¼ teaspoon salt
⅛ teaspoon celery seeds
Pinch of black pepper